Question: 1. Let X be a discrete random variable with probability mass function Find E(2X). 0 1 1 3 7 p(x) 0.2 0.3 0.4 0.1

1. Let X be a discrete random variable with probability mass function

0 1 1 3 7 p(x) 0.2 0.3 0.4 0.1

Find E(2X).

0 1 1 3 7 p(x) 0.2 0.3 0.4 0.1

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